RARE Nipomo Marcasite Rough Chunk! Turritella This old stock unidentified Petrified

This old stock unidentified Petrified Wood is from an old collection and the location it was dug at is unknown to us

it will appear mostly black

Measurements (Approx - Longest - Inches): 7

They can range in sizes

RARE Nipomo Marcasite Rough Chunk! Turritella This old stock unidentified PetrifiedNipomo Marcasite is an old stock form of lapidary grade Iron in Quartz from near Nipomo, California. It is a fantastic material to work with, with its iron based plumes and clear quartz agate. It tends to be pretty solid and takes an excellent polish. It is well known for working into some captivating designer grade cabochons. It was a very popular old stock material, but has long since been tapped out. Sadly, on the modern market, there is very